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Latest Luxembourg tax news & money-saving tips

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Useful addresses in Luxembourg: where to send your reimbursement requests (CNS, CMFEP, CMFEC) 15.09.2026

CNS, CMFEP or CMFEC: which postal address do you send your health-cost reimbursement claim to in Luxembourg? The clear, verified guide from taxx.lu here.

Do you have to file a tax return every year in Luxembourg? 08.09.2026

Filing once doesn't tie you in for life. When is a Luxembourg tax return mandatory, when is it optional, and when is it worth it? Find out on taxx.lu.

Mortgage interest in Luxembourg: how much can you deduct for your main residence? 23.03.2026 Read more

Understanding the tax scale and tax classes in Luxembourg 05.10.2025 Read more

Maximise your tax savings: What you can deduct in Luxembourg 07.05.2025 Read more

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All the deductions going up in Luxembourg's 2028 tax reform 13.01.2026 Read more

Why Luxembourg is ending tax benefits for single-income couples 12.01.2026 Read more

Family allowances going up January 2027: Before the tax reform 09.01.2026 Read more

Single in Luxembourg? Here's how much you'll save under the 2028 tax reform 08.01.2026 Read more

Luxembourg's new unified tax class: Everything you need to know 07.01.2026 Read more

Late with your 2024 tax return? If filing was mandatory, you still need to submit it in January 02.01.2026 Read more

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